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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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PIC17C752-08/CL датащи(PDF) 42 Page - Microchip Technology |
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PIC17C752-08/CL датащи(HTML) 42 Page - Microchip Technology |
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42 / 328 page  PIC17C7XX DS30289A-page 42 © 1998 Microchip Technology Inc. TABLE 7-1: MODE MEMORY ACCESS Operating Mode Internal Program Memory Configuration Bits, Test Memory, Boot ROM Microprocessor No Access No Access Microcontroller Access Access Extended Microcontroller Access No Access Protected Microcontroller Access Access The PIC17C7XX can operate in modes where the pro- gram memory is off-chip. They are the microprocessor and extended microcontroller modes. The micropro- cessor mode is the default for an unprogrammed device. Regardless of the processor mode, data memory is always on-chip. FIGURE 7-2: MEMORY MAP IN DIFFERENT MODES Microprocessor Mode 0000h FFFFh External Program Memory External Program Memory 2000h FFFFh 0000h 01FFFh On-chip Program Memory Extended Microcontroller Mode Microcontroller Modes 0000h 01FFFh 2000h FE00h FFFFh ON-CHIP ON-CHIP ON-CHIP OFF-CHIP ON-CHIP OFF-CHIP ON-CHIP OFF-CHIP ON-CHIP Config. Bits Test Memory Boot ROM PIC17C752/762 0000h FFFFh External Program Memory External Program Memory FFFFh 0000h 0000h 3FFFh 4000h FE00h FFFFh OFF-CHIP ON-CHIP OFF-CHIP ON-CHIP OFF-CHIP ON-CHIP Config. Bits Test Memory Boot ROM ON-CHIP ON-CHIP 00h FFh 1FFh 120h ON-CHIP 3FFFh 4000h PIC17C756A/766 On-chip Program Memory On-chip Program Memory On-chip Program Memory 2FFh 220h 3FFh 320h 00h FFh 1FFh 120h 2FFh 220h 3FFh 320h 00h FFh 1FFh 120h 2FFh 220h 3FFh 320h 00h FFh 1FFh 120h 00h FFh 1FFh 120h 00h FFh 1FFh 120h |
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